P

Inventor

RUAN DINGSHAN

CN20 patents
⚠️ This page may combine multiple inventors who share the name “RUAN DINGSHAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD

17 patents
US11894531B2Feb 6, 2024

Method for recovering lithium battery slurry and device for recovery of same

GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD2 citations70
US12206094B2Jan 21, 2025

Silicon-carbon composite anode material, and preparation method and use thereof

GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD1 citations60
US12110231B2Oct 8, 2024

Expanded graphite and preparation method therefor

GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations59
US11876209B2Jan 16, 2024

Pre-lithiated lithium ion positive electrode material, and preparation method therefor and use thereof

GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations56
US12195347B2Jan 14, 2025

Method for regulating particle size of Prussian white

GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations55
US12401026B2Aug 26, 2025

Method for preparing silicon-carbon composite anode material and use thereof

GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations54
US11837734B2Dec 5, 2023

Oxygen reduction catalyst employing graphite of negative electrode of waste battery, and preparation method therefor

GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations50
US12098442B2Sep 24, 2024

Method for enriching lithium from lithium clay

GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations46
US12586789B2Mar 24, 2026

Recycling method of ternary material micropowder, and use thereof

GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations45
US12202739B2Jan 21, 2025

Manganese-doped cobaltosic tetroxide and preparation method and application thereof

GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations45
US12170372B2Dec 17, 2024

Nitrogen-doped hollow cobaltosic oxide and preparation method and use thereof

GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations45
US12162753B2Dec 10, 2024

Preparation method for nano ferric phosphate with low sulfur content

GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations45
US12428312B2Sep 30, 2025

Preparation method of Ni-Rich ternary precursor and use thereof

GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations44
US12252414B2Mar 18, 2025

Method for preparing ternary cathode precursor material with low sulfur content and high specific surface area

GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations44
US12136714B2Nov 5, 2024

Method for selectively extracting lithium from retired battery and application of method

GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations43
US12043882B2Jul 23, 2024

Method for safely oxidizing and roasting neodymium-iron-boron powder and application thereof

GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations43
US11888145B2Jan 30, 2024

Ternary single crystal positive electrode material, preparation method therefor and use thereof

GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD0 citations42

INST PROCESS ENG CAS

1 patent

CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

1 patent

HUNAN BRUNP RECYCLING TECH CO LTD

1 patent